diff --git a/conf/distro/iot2050-debian.conf b/conf/distro/iot2050-debian.conf
index 6a321c51b..2ea92af1f 100644
--- a/conf/distro/iot2050-debian.conf
+++ b/conf/distro/iot2050-debian.conf
@@ -35,10 +35,6 @@ PACKAGES_SELECTION ?= "packages-mainline"
 DISTRO_APT_SOURCES_MAINLINE_LIST := "${DISTRO_APT_SOURCES}"
 DISTRO_APT_SOURCES_SNAPSHOT_LIST ?= "conf/distro/debian-snapshot.list"
 
-# needed for SWUpdate 2022.12
-DISTRO_APT_SOURCES:append = " conf/distro/debian-bullseye-backports.list"
-DISTRO_APT_PREFERENCES:append = " conf/distro/preferences.swupdate-bullseye-backports.conf"
-
 DISTRO_APT_SOURCES:append:packages-snapshot = " ${DISTRO_APT_SOURCES_SNAPSHOT_LIST}"
 DISTRO_APT_SOURCES:remove:packages-snapshot = "${DISTRO_APT_SOURCES_MAINLINE_LIST}"